About the Authors
- Xiaofeng Zhao
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Affiliation College of Petroleum Engineering, China University of Petroleum, Qingdao, Shandong, China
- Zhichuan Guan
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* E-mail: guanzhch@upc.edu.cn
Affiliation College of Petroleum Engineering, China University of Petroleum, Qingdao, Shandong, China
- Minglei Xu
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Affiliation Research Institute of Petroleum Engineering, CNPC Bohai Drilling Engineering Company Limited, Tianjin, China
- Yucai Shi
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Affiliation College of Petroleum Engineering, China University of Petroleum, Qingdao, Shandong, China
- Hualin Liao
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Affiliation College of Petroleum Engineering, China University of Petroleum, Qingdao, Shandong, China
- Jia Sun
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Affiliation International Petroleum Service Corporation, SINOPEC, Beijing, China
Competing Interests
International Petroleum Service Corporation of SINOPEC and Research Institute of Petroleum Engineering of CNPC Bohai Drilling Co. ltd. have not provided funds for this study, only provided support in the form of salaries for authors J.S and ML. X, and will not develop products or apply for patent with the relevant information. Also these companies do not care to be included as the authors' unit. This does not alter our adherence to PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: XFZ ZCG MLX. Performed the experiments: XFZ HLL. Analyzed the data: YCS XFZ JS. Contributed reagents/materials/analysis tools: YCS HLL. Wrote the paper: XFZ ZCG.